Ansonia city, Connecticut
Official LSAD Designation: Ansonia city • Census GEOID: 0901150
• Naugatuck Valley Planning Region
Ansonia city is an incorporated city in Naugatuck Valley Planning Region County, Connecticut. According to official records from the Census (2025), Ansonia city had an estimated population of 19,216 residents. Official Census Bureau geographic records classify this community under LSAD designation Ansonia city (GEOID 0901150).
Local Government Administration U.S. Census Bureau GMAF
City Of Ansonia
Municipal
Official Title:
Government Liaison
Address:
253 MAIN ST, ANSONIA CT 06401-1855
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 19,216 | 2025 |
| Median Household Income | $85,877 | 2020-2024 |
| Median Home Value | $287,200 | 2020-2024 |
| Land Area | 6.02 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).